Unexpected contraband--babies and a stowaway mother seeking the child taken from her--puts the cops on the trail of an adoption ring.

Tubbs searches desperately for the source of information leaks about future busts.

A motorcycle gang seeks to avenge a drug-dealing comrade's death by killing off his former customers.

When a string of murders is linked to another unit, Crockett & Tubbs believe an undercover officer may be the killer.

The mobster who killed Crockett's friend is released from prison.

Sonny and Rico work undercover with a big dealer, Ricque ""Loco"" Mendez. During the police intervention, Sonny shot Loco, and the girlfriend of Loco shot Sonny. Members of the vice squad reminisce while Crockett lies close to death from the gunshot wound. We see why the other policemen love Sonny. At the end, we understand why Sonny is a cop.

A murder case that hits close to home reunites Crockett with the man who used him to trick his way off Death Row.